Understanding the Nutritional Impact: What disease occurs due to the lack of vitamin A?
                                
                                
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                                    6 min read                                
                            
                                According to the World Health Organization, vitamin A deficiency is the leading preventable cause of childhood blindness worldwide. The most well-known and severe answer to **what disease occurs due to the lack of vitamin A?** is xerophthalmia, a progressive eye disease that can lead to permanent vision loss if left untreated. However, the consequences extend beyond eye health, impacting immune function and overall development.